#include <iostream>
using namespace std;

class DoubleNode
{
private:
	int m_data;
	DoubleNode* leftNode;
	DoubleNode* rightNode;
public:
	DoubleNode();
	void set_data(int data);
	DoubleNode* get_Left();
	DoubleNode* get_Right();
	void set_Left(DoubleNode* left);
	void set_Right(DoubleNode* right);

	int get_data();
	~DoubleNode(void);
};
